Finding the Fourth Proportional to 455,283.54, 628,274.81 and 251,330.08
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Solution
The fourth proportional to 455,283.54, 628,274.81 and 251,330.08 is: 346,826.42
Step by Step Solution
- Step 1: Write the proportion equation
455,283.54 : 628,274.81 = 251,330.08 : x - Step 2: Convert to fraction form
455,283.54/628,274.81 = 251,330.08/x - Step 3: Cross multiply
455,283.54x = 628,274.81 × 251,330.08 - Step 4: Simplify right side
455,283.54x = 157,904,358,259.29 - Step 5: Solve for x
x = 157,904,358,259.29/455,283.54 - Step 6: Final answer
x = 346,826.42
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.